Question 376077
{{{(x-2)(x+3)^2 / (x^4-13x^2+36)=((x-2)(x+3)^2) / (x^2-9)(x^2-4)}}}

{{{(x-2)(x+3)^2 / (x^4-13x^2+36)=((x-2)(x+3)^2) / ((x-3)(x+3)(x-2)(x+2))}}}


{{{highlight((x-2)(x+3)^2 / (x^4-13x^2+36)=(x+3)/ ((x-3)(x+2)))}}}

You're more likely to get a response if you break up the problems into individuals problems. 
Just listing problems like you have makes the tutors think you want us to do your homework for you. 
Just a suggestion.